diff --git a/src/supermarket/engines/fieri/app/models/cookbook_artifact.rb b/src/supermarket/engines/fieri/app/models/cookbook_artifact.rb
index 20e81586ef..d4b2e10fc0 100644
--- a/src/supermarket/engines/fieri/app/models/cookbook_artifact.rb
+++ b/src/supermarket/engines/fieri/app/models/cookbook_artifact.rb
@@ -107,7 +107,9 @@ def binary?(filepath)
     # need to check for application/xml explicitly because only versions of
     # libmagic < 5.26 are available on Ubuntu 14.04 and 16.04 which are our
     # CI (Travis and Automate) node platforms
-    Utils::FileFormat.get_mime_type(file_path: filepath) !~ %r{^(text\/|inode\/x-empty|application\/xml)}
+    # s = File.read(filepath, 1024) || ""
+    # s.count("\0") == 0 ? false : true
+    Utils::FileFormat.get_mime_type(file_path: filepath) !~ %r{^text\/|inode\/x-empty|application\/xml|application\/json} # %r{^(text\/|inode\/x-empty|application\/xml)}
   end
 
   def too_big?(filepath)
diff --git a/src/supermarket/engines/fieri/spec/models/cookbook_artifact_spec.rb b/src/supermarket/engines/fieri/spec/models/cookbook_artifact_spec.rb
index 8379f90fc1..7eb9ecef7d 100644
--- a/src/supermarket/engines/fieri/spec/models/cookbook_artifact_spec.rb
+++ b/src/supermarket/engines/fieri/spec/models/cookbook_artifact_spec.rb
@@ -49,7 +49,7 @@
       it "returns an empty string" do
         binary_files = artifact.binaries
 
-        expect(binary_files).to eq("apache2/metadata.json")
+        expect(binary_files).to eq("")
       end
     end
 
diff --git a/src/supermarket/engines/fieri/spec/models/no_binaries_worker_spec.rb b/src/supermarket/engines/fieri/spec/models/no_binaries_worker_spec.rb
index c7e543420c..1e64999d6b 100644
--- a/src/supermarket/engines/fieri/spec/models/no_binaries_worker_spec.rb
+++ b/src/supermarket/engines/fieri/spec/models/no_binaries_worker_spec.rb
@@ -33,8 +33,8 @@
     subject.perform(valid_params)
 
     assert_requested(:post, test_evaluation_endpoint) do |req|
-      expect(req.body).to include("no_binaries_feedback=Failure")
-      expect(req.body).to include("no_binaries_failure=true")
+      expect(req.body).to include("no_binaries_feedback=passed")
+      expect(req.body).to include("no_binaries_failure=false")
     end
   end